| Authors | Title | Country(ies) | Years | Data Sources | Sample (main) | Dependent Variables | Independent variables | Econometric model |
| | Impact of financial constraints on innovation: what can be learned from a direct measure? | France | 1997-1999 | FIT Survey | 5500 Firms | Propensity to Innovate Level of Financing Constraints | Level of Financing Constraints | Recursive Bivariate Probit |
| | R & D, Innovation and Liquidity Constraints | Italy | 2001-2003 | Capitalia Survey | 29,991 Firms | Conduct R & D Desired Additional Financing | Desired Additional Financing | IV Tobit, Recursive Bivariate Probit |
| | Where there is a will, there is a way? Assessing the impact of obstacles to innovation | France | 2002-2004 | Community Innovation Survey 4 | 19,214 Firms | Innovation output Financial Obstacles | R & D Intensity, Financial obstacles | Trivariate probit |
| | Financial constraints and the failure of innovation projects | Spain | 2004-2010 | PITEC | 4882 Firms | Abandon an Innovation Project Perceived Financial Constraints | Financial Barriers, R & D Intensity | Recursive Bivariate Probit |
| | Innovation financing and the role of relationship lending for SMEs | Italy | 2008-2009 2011 | MET database | 13,550 Firms | Innovation output Financial Constraints on Investments | Conduct R & D | Recursive Bivariate Probit |
| | Innovation and Access to Finance: International Evidence from Developing Markets | Global (21 countries) | 2010-2016 | World Bank Enterprise Survey | 26,700 Firms | Innovation output index Product Novelty Access to Finance | Access to Finance | Logit, Probit, Bivariate Ordered Probit |
| | Determinants of Financing Constraints | Europe | 2014-2018 | Survey of Access to Finance | 27,546 Firms | Innovation output Access to Finance | Innovation output | Recursive Bivariate Probit |